DA

Duncan E. Akporiaye

UO Uop: 21 patents #140 of 1,854Top 8%
DA Den Norske Stats Oljeselskap A.S.: 4 patents #17 of 220Top 8%
NA Norsk Hydro Asa: 3 patents #47 of 584Top 9%
SA Sinvent As: 2 patents #37 of 154Top 25%
📍 Oslo, IL: #1 of 2 inventorsTop 50%
Overall (All Time): #119,803 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
7533586 Method and apparatus for mass analysis of samples Rune Wendelbo, Arne Karlsson, Ib-Rune Johansen, Ivar M. Dahl, Britta Fismen +4 more 2009-05-19
7533587 Method and apparatus for mass analysis of samples Rune Wendelbo, Arne Karlsson, Ib-Rune Johansen, Ivar M. Dahl, Britta Fismen +4 more 2009-05-19
7410804 Process of parallel sample presentation Rune Wendelbo, Ivar M. Dahl, Arne Karlsson, Gregory J. Lewis, Richard S. Kempf +4 more 2008-08-12
7288411 Process for simultaneously evaluating a plurality of catalysts Arne Karlsson, Ivar M. Dahl, Rune Wendelbo, Kurt M. Vanden Bussche, Gavin P. Towler +1 more 2007-10-30
7279131 Method and apparatus for mass analysis of samples Rune Wendelbo, Arne Karlsson, Ib-Rune Johansen, Ivar M. Dahl, Britta Fismen +4 more 2007-10-09
7256044 Elevated pressure apparatus and method for generating a plurality of isolated effluents Arne Karlsson, Mark A. Krawczyk, Ara J. Alexanian, Ivar M. Dahl 2007-08-14
7141217 Elevated pressure apparatus and method for generating a plurality of isolated effluents Arne Karlsson, Mark A. Krawczyk, Ara J. Alexanian, Ivar M. Dahl 2006-11-28
7129092 Apparatus and method for generating a plurality of isolated effluents Maureen L. Bricker, Ivar M. Dahl, Arne Karlsson, Charles P. McGonegal, Elisabeth M. Myhrvold +2 more 2006-10-31
7070999 Apparatus and method for generating a plurality of isolated effluents Maureen L. Bricker, Ivar M. Dahl, Arne Karlsson, Charles P. McGonegal, Elisabeth M. Myhrvold +2 more 2006-07-04
6968729 Method and apparatus for expediting analysis of samples Arne Karlsson, Svend A. Taftø, Ivar M. Dahl, Elisabeth M. Myhrvold, Arne L. Kvernheim 2005-11-29
6967182 Catalysts consisting of metals on hydrotalcite-based carrier materials, and method for the preparation thereof Unni Olsbye, Erling Rytter, Morten Rønnekleiv 2005-11-22
6821486 Multiautoclave for combinatorial synthesis of zeolites and other materials Ivar M. Dahl, Arne Karlsson, Rune Wendelbo 2004-11-23
6808685 Apparatus and method for generating a plurality of isolated effluents Maureen L. Bricker, Ivar M. Dahl, Arne Karlsson, Charles P. McGonegal, Elisabeth M. Myhrvold +2 more 2004-10-26
6806093 Process of parallel sample preparation Rune Wendelbo, Ivar M. Dahl, Arne Karlsson, Gregory J. Lewis, David S. Bem +3 more 2004-10-19
6776963 Multiple parallel catalytic reactor assembly Arne Karlsson, Ivar M. Dahl, Rune Wendelbo 2004-08-17
6770245 Multiple parallel processing assembly Arne Karlsson, Ivar M. Dahl, Rune Wendelbo 2004-08-03
6688180 Multi-test assembly for evaluating, detecting and mountoring processes at elevated pressure Are Lund, Davoud Tayebi, Rune Wendelbo, Kai W. Hjarbo, Arne Karlsson +1 more 2004-02-10
6677162 Process of parallel sample preparation Rune Wendelbo, Ivar M. Dahl, Arne Karlsson, Gregory J. Lewis, David S. Bem +3 more 2004-01-13
6627445 Process for simultaneously evaluating a plurality of catalysts Arne Karlsson, Ivar M. Dahl, Rune Wendelbo, Kurt M. Vanden Bussche, Gavin P. Towler 2003-09-30
6582589 Process for the catalytic dehydrogenation of a light alkane Erling Rytter, Unni Olsbye 2003-06-24
6576196 Multiple parallel catalytic reactor assembly Arne Karlsson, Ivar M. Dahl, Rune Wendelbo 2003-06-10
6471393 Parallel stirring apparatus 2002-10-29
6368865 Combinatorial process for performing catalytic chemical reactions Ivar M. Dahl, Arne Karlsson, Rune Wendelbo, Kurt M. Vanden Bussche, Gavin P. Towler 2002-04-09
6361203 Parallel stirring apparatus 2002-03-26
6342185 Combinatorial catalytic reactor Ivar M. Dahl, Arne Karlsson, Kurt M. Vanden Bussche, Gavin P. Towler 2002-01-29